Gratuit, as contrasted with libre (free as in speech).
Compare FLOSS=free libre open source software with PELEG=(le?/la?) pubwan est libre et gratuit.
An excellent bilingual français/english tiki can be found at http://www.thetransitioners.org.
Pouvoir is that which corrupts, while puissance is that which is measured in watts, right? I keep getting those two mixed up. Watts are joules per second, right?